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參數(shù)資料
| 型號(hào)： | MM908E622ACDWB/R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封裝： | 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54 |
| 文件頁數(shù)： | 18/66頁 |
| 文件大?。?/td> | 1277K |
| 代理商： | MM908E622ACDWB/R2 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
25
908E622
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
908E622 ANALOG DIE MODES OF OPERATION
The 908E622 offers three operating modes: Normal (Run),
Stop, and Sleep. In Normal mode, the device is active and is
operating under normal application conditions. The Stop and
Sleep modes are low power modes with wake-up capabilities.
The different modes can be selected by the STOP and
SLEEP bits in the System Control Register.
Figure 11 describes how transitions are done between the
different operating modes, and Table 6, page 27 gives an
overview of the operating modes.
Figure 11. Operating Modes and Transitions
Normal Mode
This Mode is normal operating mode of the device. All
functions and power stages are active and can be enabled/
disabled. The voltage regulator provides the +5V VDD to the
MCU.
After a reset (e.g. Power On Reset, Wake-Up from Sleep),
the MCU sets the PSON bit in the System Control Register
within 80ms typical (tNORMREQ). This is to ensure the MCU
has started up and is operating correctly. If the PSON bit is
not set within the required time frame, the device enters
SLEEP mode to reduce power consumption (fail safe).
This MCU monitoring can be disabled, e.g. for
programming by applying VDD on the TESTMODE pin.
Stop Mode
In Stop mode, the voltage regulator still supplies the MCU
with VDD (limited current capability). To enter the Stop mode,
the STOP bit in the System Control Register has to be set
and the MCU has to be stopped (see the 908EY16 datasheet
for details).
Wake-up from this mode is possible by LIN bus activity or
the wake-up input L0, and is maskable with the LINIE and/or
L0IE bits in the Interrupt Mask Register. The analog die is
generating an interrupt on IRQ_A pin to wake-up the MCU.
The wake-up / interrupt source can be evaluated with the
L0IF and LINIF bits in the Interrupt Flag Register.
Stop mode has a higher current consumption than Sleep
mode, but allows a quicker wake-up. Additionally, the wake-
RESET
Power
Down
Power Up
Normal
Request
VDD High and Reset Delay (tRST) expired
NORMAL
SLEEP
Wake-up (Reset)
STOP
Reset (LVR, ext. Reset, (HTR))
SLEEP Command
STOP
C
omman
d
Wak
e-
up
Inter
rupt
PS
O
N
=
1
VDD Low
Reset (LVR, HTR, WDR, ext. Reset)
Reset (LVR, ext. Reset)
TE
STMO
DE
=
1
PSON = 0 and Normal Request
timeout (tNORMREQ) expired
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E622ACEK | 功能描述:8位微控制器 -MCU QUAD H-B TRIHS EC GLASS RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MM908E622ACPEK | 功能描述:IC QUAD HALF BRDG TRPL SW 54SOIC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應(yīng)用 系列:- 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標(biāo)準(zhǔn)包裝:250 系列:- 應(yīng)用:網(wǎng)絡(luò)處理器 核心處理器:4Kc 程序存儲(chǔ)器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:PG-LQFP-208 其它名稱:SP000314382 |
| MM908E622ACPEKR2 | 功能描述:8位微控制器 -MCU QUAD H-B, TRIHS, EC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MM908E624 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN |
| MM908E624ACDWB | 功能描述:IC TRPL SWITCH MCU/LIN 54-SOIC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應(yīng)用 系列:- 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標(biāo)準(zhǔn)包裝:250 系列:- 應(yīng)用:網(wǎng)絡(luò)處理器 核心處理器:4Kc 程序存儲(chǔ)器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:PG-LQFP-208 其它名稱:SP000314382 |
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